Note that this initial implementation only deals with a single category, in this case a single course (History 101). You start with a single piece of the puzzle because one of the characteristics of this approach that you want to focus on is that it is extensible. you easily can propagate this structure by creating more directories in a horizontal as well as a vertical manner.

The file index.html (Listing 1) breaks the screen up into its component frames, NavBar and Main.